What payment terms do you accept?

We accept LC and T/T for international commercial transactions.

Do you offer custom specifications?

Yes, we can produce specialty fasteners based on unique customer specifications and drawings.

What is the minimum order quantity or packaging?

Standard packaging is 25kg/carton or 1.5-2.5 tons/pallet, with custom options available.

Black M30 Heavy Nuts High Strength GB6170 Hex Nuts

Name: Black M30 Heavy Nuts High Strength GB6170 Hex Nuts
Brand: Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd.
SKU: 1983362225

Fujian, ChinaJinjiang Tagong Hardware Forging Manufacturer Co. Ltd.

US$1,550.00

3-4 Tons

US$1,500.00

5-9 Tons

US$1,450.00

10+ Tons

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

GB6170- M30- Class - Black

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW, ISO Uni

Grade

8.8

Material Name

Steel 45

Property Class

Class 6/8/10/12

Surface Treatment

Black Oxide

Transport Package

Pallet+Carton

Specification

25kg/carton

Trademark

as requested by buyer

Origin

China

HS Code

73181600

Production Capacity

2000000PCS/Month

Key features

Extensive Standard Compliance: Meets DIN, ANSI, GB, JIS, GOST, BSW, and ISO Uni standards.

Customizable Material Options: Available in Steel 45, 40Cr, 35CrMo, and 42CrMo.

Diverse Surface Treatments: Options include Plain+oil, Zinc Plated, Black Oxide, Phosphate, Dacromet, and Geomet.

Multiple Strength Classes: Offered in Class 6, 8, 10, and 12 for various load requirements.

Wide Size Range: Sizes available from M24 to M64 with specific pitch and dimension details.

35+ Years Manufacturing Experience: Established in 1985 with a 60,000 sqm facility in Jinjiang City.

Integrated Hot Forging Process: Features advanced production and inspection equipment for quality control.

Flexible Packaging Solutions: Standard 25kg/carton or 1.5-2.5 tons/pallet, customizable upon request.

Company profile

In-stock CapacityQuality AssuranceManagement CertificationPrivate Mold

Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd.

Fujian, China

Business Type: Manufacturer/FactoryExport Year: 2021-11-10Nearest Port: Xiamen, Ningbo, ShenzhenAverage Response Time: ≤3.86hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryJinjiang Tagong Hardware Forging Manufacturer Co. Ltd. is identified as a Chinese manufacturer/factory producing a broad range of fasteners and related hardware. The supplier reports multiple customization options, ODM services, new product development within the past year, OEM service for well-known brands, six production lines, and overseas warehouse and showroom capabilities. Export activity has lasted three years, with 31%–40% of sales from exports. Service lead time is reported as within 15 working days in both peak and off-season periods. However, the available evidence shows no SDK, no overseas agents or branches, no continuous quantity reconciliation for production batches, and several procedures without written records. Financial information is limited to stated years rather than performance figures, and the audit result is recorded as 0 without an explained evaluation interpretation. Customer cases are not specifically identified.

Supplier typeThe supplier is explicitly identified as a manufacturer/factory and limited company based in Fujian, China, with fasteners and related hardware as its primary product range. Its offering profile covers manufacturing, export, service, quality control, R&D, and sustainability information.

R&D capabilityThe supplier reports that it developed new products during the past year and provides ODM services, supporting active product-development capability. It also reports no available SDK, which limits the evidence for software or SDK-based development but does not negate the stated hardware R&D capability.

Production capacityThe supplier is a manufacturer/factory with six production lines and a broad fastener and hardware product portfolio. However, it does not continuously reconcile quantities for each batch or mass-production run, indicating a documented production-control weakness.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM capability, providing direct evidence of broad customization support.